So I assume this applies the same way after installing new valve cover gaskets also? I got most of the oil build up that was there due to the old gasket leaking however she still smokes like a chimney after a good drive. Most of what is still remaining is what ran down and got on to the exhaust.

Boogity, Boogity, Boogity Let's go racin boys.
Drive fast, turn left. GO #20.

Real trucks where bowties.